- an
alkali metal oxide (M2O):
Cr2O3 + 2 M2O + 3 O2 → 2 M2CrO4 A
similar oxidation proceeds with
alkaline earth oxides:
Cr2O3 + 2 MO + 3 O2 → 2 MCrO4 Several...
-
decomposes above 197 °C,
liberating oxygen and
eventually giving Cr2O3: 4 CrO3 → 2
Cr2O3 + 3 O2 It is used in
organic synthesis as an oxidant,
often as...
-
treated in this way
readily dissolves in weak acids. The
surface chromia Cr2O3 scale, is
adherent to the metal. In contrast, iron
forms a more
porous oxide...
- chromium(II) oxide: H3PO2 + 2
Cr2O3 → 4 CrO + H3PO4 It is
readily oxidized by the atmosphere. CrO is basic,
while CrO3 is acidic, and
Cr2O3 is amphoteric. CrO occurs...
-
metals with the M2O3
formula there are
several common structures. Al2O3,
Cr2O3, Fe2O3, and V2O3
adopt the
corundum structure. Many rare
earth oxides adopt...
-
Eskolaite is a rare
chromium oxide mineral (chromium(III)
oxide Cr2O3). It was
first described in 1958 for an
occurrence in the
Outokumpu ore deposit...
- garnet–spinel
transition in the Earth's mantle:
Experiments in the
system MgO—
Cr2O3—SiO2 and
thermodynamic modelling" (PDF). Lithos. 77 (1–4): 639–646. Bibcode:2004Litho...
- Haan, Y. M. (August 1962). "Refinement of the α Al2O3, Ti2O3, V2O3 and
Cr2O3 structures*".
Zeitschrift für Kristallographie. 117 (2–3): 235–237. Bibcode:1962ZK...
-
Chromium oxide may
refer to: Chromium(II) oxide, CrO Chromium(III) oxide,
Cr2O3 Chromium dioxide (chromium(IV) oxide), CrO2,
which includes the hypothetical...
-
refractories mainly consist of
magnesium oxide (MgO) and
chromium oxide (
Cr2O3).
These refractories have high
refractoriness and have a high tolerance...
